Hegg Memorial Hospital logo

Hegg Memorial Hospital

Public charity · Grantmaker Rock Valley, IA EIN: 42-0932564 Website

We serve together to heal body, mind and spirit, to improve the health of our community, and to be good stewards of the resources entrusted to us.

Key facts about Hegg Memorial Hospital

EIN
42-0932564
Latest 990 filing
Form 990, 2025
Total assets
$60,421,642

Data from IRS Form 990, 2025; updated September 2026.

Financial Overview

From 2025 IRS Form 990 · View filing

Total Assets

$60.4M

+3.0% YoY

Revenue

$30.4M

-1.0% YoY

Net Investment Income

$886K

+58.9% YoY

Expenses

$29.5M

+5.4% YoY

About Hegg Memorial Hospital

Based on IRS filings

Hegg Memorial Hospital is a public charity focused on Health, based in Rock Valley, IA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $60.4M in total assets. Net investment income was $886K.

Focus Areas

Open Grants

2 open opportunities from Hegg Memorial Hospital

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Geographic Focus

Where this funder awards grants

States

Cities

Sioux Falls

Giving Over Time

Total grant dollars and number of grants per year

$0$10K$20K$30K1 grants20190 grants20200 grants20210 grants20220 grants20230 grants20240 grants2025

In 2019 it made 1 grant totaling $24K.

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Net Investment Income
$0$10M$20M$30M$40M2019202020212022202320242025
Metric202520242023
Total Assets$60,421,642$58,654,759$54,683,761
Revenue$30,387,894$30,688,739$26,212,799
Expenses$29,492,032$27,990,865$26,241,934
Net Investment Income$886,021$557,645$361,774

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2019–2025

Leadership & Key People

Officers and directors from IRS filings

Hegg Memorial Hospital is led by Glenn Zevenbergen, CEO & Administrator on every filing since 2019; 6 of 16 officers listed in 2025 are compensated.

Officers on the 2025 filing

  • Glenn Zevenbergen

    CEO & Administrator

    On filings since 2019

    40 hrs/week

    $225K (2019) → $311K (2025)

  • Jason Vansurksum

    President

    Member Vice President From → Member & Vice President, 2023

    Member & Vice President → President, 2024

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Nicolle Samuels

    Rehab Director

    On filings since 2019

    40 hrs/week

    $119K (2019) → $169K (2025)

  • Jeremy McClennen

    Director of Patient Care

    On filings since 2022

    40 hrs/week

    $100K (2022) → $121K (2025)

  • Steve Ring

    Hr Director

    On filings since 2024

    40 hrs/week

    $113K (2024) → $113K (2025)

  • William Slater

    CFO

    CFO From → CFO, 2020

    On filings since 2019

    40 hrs/week

    $13K (2019) → $157K (2025)

  • David Reinke MD

    Member From

    General Surgeon → Member, 2024

    Member → Member From, 2025

    On filings since 2020

    0.4 hrs/week

    $152K (2020) → $0 (2025)

  • Amber Vanvoorst

    Rn & Anesthetist

    On filings since 2024

    40 hrs/week

    $207K (2024) → $207K (2025)

  • Liz Arkema

    Member

    Member From → Member, 2020

    On filings since 2019

    0.4 hrs/week

    No compensation reported

  • Jeff Treinen

    Member

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • John Hoogendoorn

    Member

    On filings since 2020

    0.4 hrs/week

    No compensation reported

  • Del Knobloch

    Member

    Member From → Member, 2023

    On filings since 2022

    0.4 hrs/week

    No compensation reported

  • Jeremy Vanzee

    Vice President

    Member From → Member, 2023

    Member → Vice President, 2024

    On filings since 2022

    0.4 hrs/week

    No compensation reported

  • Nancy Dorhout

    Secretary

    On filings since 2023

    0.4 hrs/week

    No compensation reported

  • Brad Van Heuvelen

    Member

    Member From → Member, 2025

    On filings since 2024

    0.4 hrs/week

    No compensation reported

  • Twila Dekam

    Member

    Member From → Member, 2025

    On filings since 2024

    0.4 hrs/week

    No compensation reported

Former officers (16)
  • Former: Dale Kooima (2019–2024) — President
  • Former: Kathy McGill (2020–2024) — Member
  • Former: Annie Groeneweg (2019–2023) — Secretary
  • Former: Roxanne Marxen (2022–2023) — Lab Manager
  • Former: Howie Van Ginkel (2019–2022) — President
  • Former: Jason Kooima (2019–2022) — Vice President
  • Former: Jason Van Surksum (2021) — Member
  • Former: Kevin Denboer (2019–2020) — Member
  • Former: Kevin Post (2019–2020) — Member & Physician
  • Former: Rob Dejong (2019–2020) — Member
  • Former: Ryan Vanden Bosch (2019–2020) — Member
  • Former: Wade Gort (2019–2020) — President
  • Former: Curt Hohman (2019) — Member
  • Former: Drdavid Reinke (2019) — General Surgeon
  • Former: Jamie Van Zee (2019) — Member
  • Former: Kari Timmer (2019) — CFO

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

Glenn Zevenbergen — CEO/Administrator: $311KGlenn ZevenbergenCEO/Administrator$311KAmber Vanvoorst — RN, Anesthetist: $207KAmber VanvoorstRN, Anesthetist$207KNicolle Samuels — Rehab Director: $169KNicolle SamuelsRehab Director$169KWilliam Slater — CFO: $157KWilliam SlaterCFO$157KJeremy McClennen — Director of Patient Care: $121KJeremy McClennenDirector of Patient Care$121KSteve Ring — HR Director: $113KSteve RingHR Director$113K

The highest reported compensation on the 2025 filing was $311K, to Glenn Zevenbergen (CEO/Administrator). 6 officers or directors reported compensation on that filing.

Frequently asked questions about Hegg Memorial Hospital

How large is Hegg Memorial Hospital?

Hegg Memorial Hospital reported $60.4M in total assets on its 2025 IRS Form 990. Its revenue that year was $30.4M.

What is Hegg Memorial Hospital?

Hegg Memorial Hospital is a public charity focused on Health, based in Rock Valley, IA. It holds $60.4M in total assets as of 2025.

Where does Hegg Memorial Hospital operate?

Hegg Memorial Hospital has awarded grants in South Dakota.

What is Hegg Memorial Hospital's EIN?

Hegg Memorial Hospital's EIN (Employer Identification Number) is 42-0932564. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated September 2026. Sourced from IRS Form 990 filings.

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